oj.uz

Submission #932076

# Submission time Handle Problem Language Result Execution time Memory
932076 2024-02-22T22:52:30 Z Edu175 Sequence (APIO23_sequence) C++17
7 / 100
 98 ms 35644 KB 
#include "sequence.h"
#include <bits/stdc++.h>
#define pb push_back
#define fst first
#define snd second
#define fore(i,a,b) for(ll i=a,apio=b;i<apio;i++)
#define SZ(x) ((int)x.size())
#define ALL(x) x.begin(),x.end()
#define mset(a,v) memset((a),(v),sizeof(a))
#define imp(v) for(auto slkdh:v)cout<<slkdh<<" ";cout<<"\n"
using namespace std;
typedef long long ll;
typedef pair<ll,ll> ii;

int sequence(int N, std::vector<int> A) {
	ll n=N;
	vector<ll>a(n);
	fore(i,0,n)a[i]=A[i]-1;
	vector<ll>pos[n];
	fore(i,0,n)pos[a[i]].pb(i);
	ll res=0;
	fore(i,0,n){
		ll q=SZ(pos[i]),m=0;
		fore(j,0,SZ(pos[i])-1){
			ll l=pos[i][j],r=pos[i][j+1];
			if(l+1!=r){
				m=r-l-1;
				res=max({res,l-pos[i][0]+1,pos[i].back()-r+1});
			}
		}
		if(m==0){
			res=max(res,q);
			continue;
		}
		if(n-m>=m)res=max(res,q);
	}
	return res;
}

Subtask #1
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 68 ms 30544 KB Output is correct
3 Correct 69 ms 30556 KB Output is correct
4 Correct 49 ms 25004 KB Output is correct
5 Correct 71 ms 33104 KB Output is correct
6 Correct 69 ms 33056 KB Output is correct
7 Correct 42 ms 25680 KB Output is correct
8 Correct 55 ms 26452 KB Output is correct
9 Correct 43 ms 26512 KB Output is correct

Subtask #4
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 98 ms 35644 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -